Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Acquisition and Divestitures - Acquired Intangible Assets and Related Estimated Useful Lives (Detail) - USD ($) $ in Thousands			9 Months Ended
	Sep. 20, 2018	Mar. 18, 2016	Sep. 30, 2018
Business Acquisition [Line Items]
Weighted average useful life			9 years 4 months 24 days
Applied Medical [Member]
Business Acquisition [Line Items]
Allocated fair value	$ 6,527
Weighted average useful life			13 years
Applied Medical [Member] \| Non-Compete Agreement [Member]
Business Acquisition [Line Items]
Allocated fair value	$ 530
Weighted average useful life	5 years
Applied Medical [Member] \| Trade Name [Member]
Business Acquisition [Line Items]
Allocated fair value	$ 206
Weighted average useful life	7 years
Applied Medical [Member] \| Customer Relationships [Member]
Business Acquisition [Line Items]
Allocated fair value	$ 4,475
Weighted average useful life	16 years
Applied Medical [Member] \| Intellectual Property [Member]
Business Acquisition [Line Items]
Allocated fair value	$ 1,316
Weighted average useful life	7 years
Restore Flow Allografts [Member]
Business Acquisition [Line Items]
Allocated fair value			$ 4,544
Weighted average useful life			10 years 3 months 18 days
Restore Flow Allografts [Member] \| Non-Compete Agreement [Member]
Business Acquisition [Line Items]
Allocated fair value			$ 180
Weighted average useful life			5 years
Restore Flow Allografts [Member] \| Trade Name [Member]
Business Acquisition [Line Items]
Allocated fair value			$ 271
Weighted average useful life			9 years
Restore Flow Allografts [Member] \| Customer Relationships [Member]
Business Acquisition [Line Items]
Allocated fair value			$ 683
Weighted average useful life			12 years 6 months
Restore Flow Allografts [Member] \| Procurement Contracts [Member]
Business Acquisition [Line Items]
Allocated fair value			$ 617
Weighted average useful life			9 years
Restore Flow Allografts [Member] \| Technology [Member]
Business Acquisition [Line Items]
Allocated fair value			$ 2,793
Weighted average useful life			10 years 6 months
ProCol Biologic Graft [Member]
Business Acquisition [Line Items]
Allocated fair value		$ 620
Weighted average useful life			8 years 7 months 6 days
ProCol Biologic Graft [Member] \| Non-Compete Agreement [Member]
Business Acquisition [Line Items]
Allocated fair value		$ 84
Weighted average useful life		5 years
ProCol Biologic Graft [Member] \| Trade Name [Member]
Business Acquisition [Line Items]
Allocated fair value		$ 109
Weighted average useful life		9 years 6 months
ProCol Biologic Graft [Member] \| Customer Relationships [Member]
Business Acquisition [Line Items]
Allocated fair value		$ 150
Weighted average useful life		9 years
ProCol Biologic Graft [Member] \| Intellectual Property [Member]
Business Acquisition [Line Items]
Allocated fair value		$ 277
Weighted average useful life		9 years